Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я Г-4243filedCriticalПредприятие П/Я Г-4243
Priority to SU772558528ApriorityCriticalpatent/SU662193A1/en
Application grantedgrantedCritical
Publication of SU662193A1publicationCriticalpatent/SU662193A1/en